revelation
noun [ C or U ] uk/ˌrev.əˈleɪ.ʃən/ us/ˌrev.əˈleɪ.ʃən/
C2 暴露;被揭示的真相，被揭露的内情
the act of making something known that was secret, or a fact that is made known
a moment of revelation 真相大白的一刻
[ + that ] His wife divorced him after the revelation that he was having an affair. 他的婚外情暴露后，他的妻子和他离了婚。
Shocking revelations about their private life appeared in the papers. 有关他们私生活的惊人内幕见诸报端。
come as/be a revelationC2 让人大开眼界；令人耳目一新；出乎意料地使人惊喜
to be an extremely pleasant surprise
This book came as a complete revelation to me. 这本书使我茅塞顿开。